Diamanten ("The Diamond") or Oksenøyveien 3 is an office building located at Fornebu in Bærum, Norway.

[2] It has a glass façade and is built in a postmodernist style, with the various annexes shaped like diamonds.

When Braathens SAFE was informed they had to leave their rented offices at Ruseløkkveien 26, the company decided to build a new head office near Oslo Airport, Fornebu.

Diamanten was taken into use on 16 December 1985 and was officially opened in January 1986 by Minister of Transport and Communications Johan J.

[1] After SAS decided to reduce its Norwegian administration from 300 to 100 people, it chose to move out of Diamanten from February 2010.